// test:
// - valid wildcard usage
// - invalid wildcard usage
// ===BEGIN ICANN DOMAINS===
// *.com implicitely includes .com
com
*.com
// double exception
!www.com
!www.com
// double wildcard
*.example.com
*.example.com
// double plain rule
example1.com
example1.com
// redundant/overlapping rule
example.com
// ===END ICANN DOMAINS===